If line segment RU is considered the base of parallelogram
RSTU, what is the corresponding height of the
parallelogram?
4.5 units
5.4 units
9.0 units
10.8 units

What best explains the inability for life to exist in earth early atmosphere

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey